Photo 2194539, (c) Mark Kluge, some rights reserved (CC BY-NC), uploaded by Mark Kluge

Attribution © Mark Kluge some rights reserved Uploaded by sanguinaria33 Source iNaturalist Associated observations Photos / Sounds What Horace's Duskywing (Erynnis horatius) Observer sanguinaria33 Date July 28, 2015 11:56 AM CDT Place Schulenberg Prairie, Morton Arboretum (Google, OSM) Date Added July 28, 2015 01:55 PM CDT Description Large spotted, and flying in late July, just west of oak savanna http://www.mvtimes.com/2014/05/21/the-duskywing-identification-challenge/ 2 IDs Research Grade View Sizes small medium large original